Home / 14,415.57-19,911.15-10,430.37

Finding the Fourth Proportional to 14,415.57, 19,911.15 and 10,430.37

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Solution

The fourth proportional to 14,415.57, 19,911.15 and 10,430.37 is: 14,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.57 : 19,911.15 = 10,430.37 : x
  2. Step 2: Convert to fraction form
    14,415.57/19,911.15 = 10,430.37/x
  3. Step 3: Cross multiply
    14,415.57x = 19,911.15 × 10,430.37
  4. Step 4: Simplify right side
    14,415.57x = 207,680,661.63
  5. Step 5: Solve for x
    x = 207,680,661.63/14,415.57
  6. Step 6: Final answer
    x = 14,406.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.